The HD Diesel Supply tune lets you easily go back and forth between stock and tune. Make it stock to take in for dealer service, tune it back for use. I've done it back and forth already now and it is easy.If anyone on here has successfully backed up or restored any aftermarket tune using HPtuners or another handheld I'd be very appreciative if you would share.
I may end up having to take my truck to the dealer to get a FOB replaced and get some other recalls done. I would like to be able to restore the current GDE tune i have if they overwrite it.
There is no ECM recall or update for my vehicle, but I don't want to chance it.